Packaging for solid dosage forms of melatonin with a high citric acid concentration
US11208247B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 26, 2018 |
| Grant date | Dec 28, 2021 |
| Priority date | — |
| Expiry date | Dec 22, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D75/326
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Melatonin tablets with a high concentration of citric acid are packaged in a blister package that enhances storage stability. Such a packaging material includes a blister film forming a cavity holding the tablet therein. The blister film includes a polyvinyl chloride (PVC) film having a thickness of 180 μm to 270 μm coated with a polyvinylidene chloride (PVDC) coating having a coating weight of 110 g/m2 to 130 g/m2. An aluminum foil lid closes the cavity and encapsulates the tablet within the blister film and lid. The lid has a thickness of 20 μm to 30 μm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.